Search form

CBSE Class 8 Science Question Paper SA 2 2013

Primary tabs

CBSE Class 8 Science Question Paper SA 2 2013. Revision worksheets, Sample papers, Question banks and easy to learn study notes for all classes and subjects based on CBSE and CCE guidelines. Students and parents can download free a collection of all study material issued by various best schools in India. The study material has been carefully compiled by the best teachers in India. The students should practice the questions database to get better marks in examination. Please refer to other links for free download of high quality study material. Based on CBSE and CCE guidelines. Based on the same pattern as released by CBSE every year. Study material for final/ term/ SA1/ SA2 Examinations conducted by various schools affiliated to Central Board of Secondary Education (CBSE) in India and abroad. CBSE Study material has been compiled to help students preparation which will helps the students to concentrate more in areas which carry more marks.

DELHI PUBLIC SCHOOL, CHANDIGARH

Summative Assessment-II, Session 2012-13

Class : VIII, Subject : Science (Sample Paper)

Section – A

Q1 Choose the correct answer

(i) A ball is rolled on different surfaces. Where will friction be the least?

a) grass b) sand paper

c) marble floor d) wooden floor

(ii) Which of the following friction is maximum :

a) static friction b) sliding friction

c) rolling friction d) fluid friction

(iii) Sound can travel through :

a) gases only b) solids only

c) liquids only d) solids , liquids and gases.

(iv) Which of the following cannot be charged by friction

a) plastic scale b) copper rod

c) inflated balloon d) woollen cloth

Q2 Give one word for the following:

a) The frictional force exerted by fluids

b) The unit used to express frequency of sound waves

c) An animal that can hear ultrasonic sound waves

d) An instrument used to detect whether a body is charged or not:

Q3 Give reasons:

a) A crackling sound is heard while taking off a sweater during winters.

b) Sports men use shoes with spikes

Q4 Answer the following:

a) Give two ways to increase and reduce friction.

b) Charging can be done by induction. Show with the help of a labelled diagram.

Q5 Answer the following:

a) Give three situations where friction is a foe.

b) A pendulum oscillates 60 times in 4 seconds. Find its time period and frequency.